Posterior vertebral joint(s) arthroplasty including facetectomy, laminectomy, foraminotomy and vertebral column fixation, with or without injection of bone cement, including fluoroscopy, single level, lumbar spine

Laminoplasty, cervical, with decompression of the spinal cord, two or more vertebral segments;

63051

Laminoplasty, cervical, with decompression of the spinal cord, two or more vertebral segments; with reconstruction of the posterior bony elements (including the application of bridging bone graft and non-segmental fixation devices